23355442 has 32 divisors (see below), whose sum is σ = 40362624. Its totient is φ = 10032000.

The previous prime is 23355439. The next prime is 23355487. The reversal of 23355442 is 24455332.

It is a self number, because there is not a number n which added to its sum of digits gives 23355442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50878 + ... + 51334.

It is an arithmetic number, because the mean of its divisors is an integer number (1261332).

Almost surely, 2^23355442 is an apocalyptic number.

23355442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23355442 is a deficient number, since it is larger than the sum of its proper divisors (17007182).

23355442 is a wasteful number, since it uses less digits than its factorization.

23355442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 14400, while the sum is 28.

The square root of 23355442 is about 4832.7468379794. The cubic root of 23355442 is about 285.8441862411.

It can be divided in two parts, 2335 and 5442, that added together give a palindrome (7777).

The spelling of 23355442 in words is "twenty-three million, three hundred fifty-five thousand, four hundred forty-two".